Uchi no Ojou-sama no Hanashi wo Kiite Kure: Akuyaku Reijou Kouryaku Kiroku

Crow, the loyal butler of a villainess, realizes through a series of chance events that he has in fact been reincarnated into another world.

With a new perspective on life, he realizes just how badly he's been treated by this haughty, egotistical and prideful noble lady he calls his mistress until now, and boils with rage at the i...